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Finding the Fourth Proportional to 9,384.81, 14,061.65 and 6,605.64

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Solution

The fourth proportional to 9,384.81, 14,061.65 and 6,605.64 is: 9,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.81 : 14,061.65 = 6,605.64 : x
  2. Step 2: Convert to fraction form
    9,384.81/14,061.65 = 6,605.64/x
  3. Step 3: Cross multiply
    9,384.81x = 14,061.65 × 6,605.64
  4. Step 4: Simplify right side
    9,384.81x = 92,886,164.68
  5. Step 5: Solve for x
    x = 92,886,164.68/9,384.81
  6. Step 6: Final answer
    x = 9,897.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.